This is the new *CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [AWS CloudFormation User Guide](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::MediaLive::Channel CaptionDescription
<a name="aws-properties-medialive-channel-captiondescription"></a>

The encoding information for output captions.

The parent of this entity is EncoderSettings.

## Syntax
<a name="aws-properties-medialive-channel-captiondescription-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-medialive-channel-captiondescription-syntax.json"></a>

```
{
  "[Accessibility](#cfn-medialive-channel-captiondescription-accessibility)" : String,
  "[CaptionDashRoles](#cfn-medialive-channel-captiondescription-captiondashroles)" : [ String, ... ],
  "[CaptionSelectorName](#cfn-medialive-channel-captiondescription-captionselectorname)" : String,
  "[DestinationSettings](#cfn-medialive-channel-captiondescription-destinationsettings)" : CaptionDestinationSettings,
  "[DvbDashAccessibility](#cfn-medialive-channel-captiondescription-dvbdashaccessibility)" : String,
  "[LanguageCode](#cfn-medialive-channel-captiondescription-languagecode)" : String,
  "[LanguageDescription](#cfn-medialive-channel-captiondescription-languagedescription)" : String,
  "[Name](#cfn-medialive-channel-captiondescription-name)" : String
}
```

### YAML
<a name="aws-properties-medialive-channel-captiondescription-syntax.yaml"></a>

```
  [Accessibility](#cfn-medialive-channel-captiondescription-accessibility): String
  [CaptionDashRoles](#cfn-medialive-channel-captiondescription-captiondashroles): 
    - String
  [CaptionSelectorName](#cfn-medialive-channel-captiondescription-captionselectorname): String
  [DestinationSettings](#cfn-medialive-channel-captiondescription-destinationsettings): 
    CaptionDestinationSettings
  [DvbDashAccessibility](#cfn-medialive-channel-captiondescription-dvbdashaccessibility): String
  [LanguageCode](#cfn-medialive-channel-captiondescription-languagecode): String
  [LanguageDescription](#cfn-medialive-channel-captiondescription-languagedescription): String
  [Name](#cfn-medialive-channel-captiondescription-name): String
```

## Properties
<a name="aws-properties-medialive-channel-captiondescription-properties"></a>

`Accessibility`  <a name="cfn-medialive-channel-captiondescription-accessibility"></a>
Property description not available.  
*Required*: No  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`CaptionDashRoles`  <a name="cfn-medialive-channel-captiondescription-captiondashroles"></a>
Property description not available.  
*Required*: No  
*Type*: Array of String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`CaptionSelectorName`  <a name="cfn-medialive-channel-captiondescription-captionselectorname"></a>
Specifies which input captions selector to use as a captions source when generating output captions. This field should match a captionSelector name.  
*Required*: No  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`DestinationSettings`  <a name="cfn-medialive-channel-captiondescription-destinationsettings"></a>
Additional settings for a captions destination that depend on the destination type.  
*Required*: No  
*Type*: [CaptionDestinationSettings](aws-properties-medialive-channel-captiondestinationsettings.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`DvbDashAccessibility`  <a name="cfn-medialive-channel-captiondescription-dvbdashaccessibility"></a>
Property description not available.  
*Required*: No  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`LanguageCode`  <a name="cfn-medialive-channel-captiondescription-languagecode"></a>
An ISO 639-2 three-digit code. For more information, see http://www.loc.gov/standards/iso639-2/.  
*Required*: No  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`LanguageDescription`  <a name="cfn-medialive-channel-captiondescription-languagedescription"></a>
Human-readable information to indicate the captions that are available for players (for example, English or Spanish).  
*Required*: No  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Name`  <a name="cfn-medialive-channel-captiondescription-name"></a>
The name of the captions description. The name is used to associate a captions description with an output. Names must be unique within a channel.  
*Required*: No  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)